.mm{
    height: 40px;
    padding-bottom: 50px;
}
.test{
    width: 100px;
    height: 100px;
    overflow: hidden;
}
.ff{
    background-color: #ffb558;
    color: white;
    border-style: solid;
    border-color: #ffb558;
    border-width: medium;
    width: 130px;
    margin-right: 15px;
}

.sidebar>li :hover{
    background: #25a8da;
    color:#d9d9d9;
}
.touch-bg:hover{
    background: #25a8da;
}